简介:有一把只有两个刻度的直尺,如图1所示。至少要添几个刻度才能直接量出1~9所有整厘米的长度?要尽可能少地添刻度来量出1~9所有整厘米的长度,这就需要我们充分利用已有的两个刻度和即将标出的刻度。那么,怎样来添刻度呢?我们可以结合两边的刻度来考虑。首先,在直尺的左边
简介:EfronandAmaripresentedaRiemanniangeometricframeworkforqurvedexponentialfamiliesandstudiedtheinformationlossandthevarianceoftheestimateusingthisframilies.InthispapproposearelativelyrumplegeometricframeworkinEuclideanspace.Basedonthisnewframework,westudyeonfidenceregiodsforcurvedexponentialfamilieswhichhavenotbeenstudiedbyEfronandAmari.TheresultsobtainedbyHamiltonetal.areextendedtocurvedexponentialfamilies.